[M] Change in coreboot[master]: mb/google/rex: Enable audio BT offload

[Anil Kumar K (Code Review)]

Attention is currently required from: Tarun Tuli, Subrata Banik, Ravishankar Sarawadi, Kapil Porwal, Paul Menzel, Eric Lai, Uday Bhat, Anil Kumar K, Jairaj Arava.

Anil Kumar K has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/72881 )

Change subject: mb/google/rex: Enable audio BT offload
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Patch Set 15:

(1 comment)

File src/mainboard/google/rex/variants/rex0/fw_config.c:

https://review.coreboot.org/c/coreboot/+/72881/comment/6e75a7aa_dfa03a8d 
PS15, Line 77: 	if (!fw_config_is_provisioned()) {
> We can combine this into FW config probe. […]

Hi Eric. this is a cleanup and shall we have it part of a seperate patch? Not related to BT enablement .